...and then there is ours :

Unit . . : 3390

 Volume Data
 Tracks . :  450,765
 %Used  . :       95
 Trks/Cyls:       15

Which works out to 30051 cyl. This is one of a flock of mod-27s that we use for 
DB2



Bruce Lightsey
Database Manager
MS Department of Information Technology Services
601-432-8144 | www.its.ms.gov



-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf 
Of Jasi Grewal
Sent: Wednesday, November 18, 2015 11:00 AM
To: [email protected]
Subject: Is there an Standard Size for 3390-27's?

Greetings, I would like to know, if there are any standard sizes for 3390-27's 
because I read different manuals and each of them refers as either 30015 Cyl or 
32760Cyl for Mod 27's.

Would like to hear your setup of Mod 27's and if you are using 30015 or 32760 
Cyl for Mod 27's.
Here's the two manuals that states two different settings for mod 27's:

http://www.scribd.com/doc/51615339/IBM-Mainframe-Disk-Capacity-Table#scribd
http://www.redbooks.ibm.com/redpapers/pdfs/redp4187.pdf

Model Cylinders Tracks Bytes/volume Bytes/track
3390-1 1113 16695 946 MB 56664
3390-2 2226 33390 1.89 GB 56664
3390-3 3339 50085 2.83 GB 56664
3390-9 10017 150255 8.51 GB 56664
3390-27 32760 491400 27.84 GB 56664
3390-54 65520 982800 55.68 GB 56664

Then this manual states 30015 Cylinders:
http://www-01.ibm.com/support/docview.wss?uid=tss1prs4558&aid=1

Thanks in advance,
Regards,

Jasi Grewal.

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